Zimmerman gun removed from auction website

SANFORD, Fla. - An online auction for the gun that former Florida neighborhood watch volunteer George Zimmerman used to kill unarmed black teenager Trayvon Martin appeared to have been halted Thursday, with the weapon's listing removed from the auction site.It was not immediately clear why the website, GunBroker.com, took down the listing.The auction was set to begin at 11 a.m. EDT Thursday and end 24 hours later. The bidding started at $5,000.But by about 11:18 a.m. the listing was no